Senior MRO Machinist 1 st shift

The Senior Machinist is responsible for performing advanced machining, repair, and refurbishment of aerospace components within our MRO operation. This role requires a high level of technical skill, precision, and compliance with aerospace quality standards. The Senior Machinist serves as a subject matter expert, supporting complex repairs, mentoring other MRO team members, and ensuring all work meets customer, regulatory, and internal requirements. LOCATION: Columbia, CT Key Responsibilities Perform complex machining repairs on aerospace components in accordance with approved repair procedures, work instructions, and customer specifications. Set up, operate, and troubleshoot manual and CNC machines (e.g., mills, lathes, grinders) to restore components to serviceable condition. Machine close-tolerance features while maintaining dimensional integrity, surface finish, and material properties. Interpret engineering drawings, weld symbols, repair manuals, and technical instructions. Support development of repair methods and machining approaches for non-routine or complex MRO work. Quality & Compliance Ensure all machining and repair activities comply with AS9100, FAA/EASA requirements (as applicable), and internal quality procedures. Complete required documentation accurately, including travelers, repair records, and inspection sign-offs. Support internal, customer, and regulatory audits. Work closely with Quality and Engineering to resolve nonconformances and repair challenges. Inspection & Process Control Perform in-process inspections using precision measuring equipment (micrometers, calipers, height gages, bore gages, CMM as applicable). Verify part conformity to drawings and repair specifications prior to inspection release. Maintain equipment, tooling, and fixtures in proper working condition. Serve as a technical resource and mentor the MRO team members. Assist with training, qualification, and skill development of MRO personnel. Provide input on process improvements, tooling needs, and repair development.

REQUIRED QUALIFICATIONS

HS Diploma or equivalent, technical certification or trade school training a plus. 7+ years’ of machining experience in an aerospace manufacturing or MRO environment. Demonstrated expertise in precision machining for aerospace applications. Ability to read and interpret complex engineering drawings and GD&T. Strong understanding of aerospace quality and repair requirements. Excellent attention to detail and workmanship. Commitment to safety, quality, delivery, and customer service.

PHYSICAL REQUIREMENTS:

Primary duties will be on the shop floor, working in a manufacturing environment. Must be able to stand for extended periods of time while performing manual work. Good hand-eye coordination and manual dexterity in both hands. Must be able to lift up to 35 pounds unassisted, stand, squat, bend, twist, and reach often. Exposure to various temperatures, noise and vibration from power equipment, dust, and fumes. Columbia Manufacturing is an Equal Opportunity Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, or protected veteran status and will not be discriminated against on the basis of disability. We are a drug-free workplace and all applicants will be required to pass a pre-employment drug screen and may be subject to our random drug testing program depending on where they are assigned to work. We offer our employees a comprehensive benefit package that includes, among other benefits, short-term disability, long-term disability, and life insurance. We also offer several options for medical insurance, dental insurance, and 401(k) plan with a Company match. #J-18808-Ljbffr Columbia Manufacturing Inc